This is a fairy light from Konstsmide which is made from plastic. This model is mainly intended for outdoor use, perfect for improving the lighting on your porch.
From Amazon
Konstsmide Outdoor Christmas Decorations/Outside Lights LED Acrylic Decoration Five Teddy Bears/Outdoor Lighting (IP44) / 40 Warm White LEDs/Transparent Cable
OnBuy
Konstsmide Christmas Outside Acrylic Decoration Five Teddy Bears 40 Warm LED'S